getting closer to success or a solution

(product development) project

project (planned endeavour)

hard flight, rough passage / difficulties, rough time

have a hard flight, have a rough passage / run into difficulties, have a rough time

要約: a summary; a contract / 要扼: an ambush or interception that halts the enemy's advance / 踊躍: springing up, jumping up and down, hopping about

要約: to summarize; to enter into a contract / 要扼: to ambush or intercept the enemy and halt their advance / 踊躍: to spring up, to jump up and down, to hop about

abridgment (shortened version), summary / a compact or contract, an agreement, a promise

to sum up, to summarize / to enter into compact or contract, to form an agreement, to make a promise

漸く: gradually; finally; barely